package com.atguigu.gulimall.cart.vo;

import lombok.Data;

import java.math.BigDecimal;
import java.util.List;

@Data
public class Cart {


    List<CartItem> items;
    private Integer countNum;        //商品数量
    private Integer countType;       //商品类型
    private BigDecimal totalAmount;  //计算出来的
    private BigDecimal reduce = new BigDecimal("0.00");//减免价格

    public List<CartItem> getItems() {
        return items;
    }

    public void setItems(List<CartItem> items) {
        this.items = items;
    }

    public Integer getCountNum() {
        int count = 0;
        if(items!=null && items.size()>0){
            for (CartItem item : items) {
                countNum+=item.getCount();
            }
        }
        return count;
    }

    public Integer getCountType() {
        int count = 0;
        if(items!=null && items.size()>0){
            for (CartItem item : items) {
                countNum+=1;
            }
        }
        return count;
    }

    public BigDecimal getTotalAmount() {

        BigDecimal amount = new BigDecimal("0");

        for (CartItem item : items) {
            if(item.getCheck()){
                BigDecimal totalPrice = item.getTotalPrice();
                amount = amount.add(totalPrice);
                //叠加用amount = amount.add(totalPrice);
            }
        }
        return amount.subtract(getReduce());
    }

    public BigDecimal getReduce() {
        return reduce;
    }

    public void setReduce(BigDecimal reduce) {
        this.reduce = reduce;
    }
}
